the fiscal cliff almost here, but the effects are very real and starting already. >>> good morning. welcome to "early start." i'm ali velshi. >> i'm christine romans. >> and i'm dr. sanjay gupta. >> good morning. hilary clinton has been admitted to the hospital for a blood clot, it is believed to be related to a concussion she suffered earlier this month. she will be hospitalized for 48 hours for hospitalization. she had just been cleared to return to work. what's going on here? jill daugherty has been following developments for us. live in the washington bureau. we're hearing 48 hours and seem to be saying it's not that serious. what are you hearing from the doctors? >> well, at this point, it's not really that clear. in fact, there was a statement coming out of the state department from phillip ryans, indicating the lack of clarity about this. he said her doctors will continue to assess her condition, including other issues associated with her concussion. they will determine if any further action is required." now, those other issues associated with her concussion, that's not clea